市场商务分析ppt模板之非洲的移动网络sept-mobile

AprojectfromtheSocialMediaResearchFoundation:@connectedaction.net://://delicious.com/marc_smith/Paper://://://://://•Node–“actor”onwhichrelationshipsact;1-modeversus2-modenetworks•Edge–Relationshipconnectingnodes;canbedirectional•CohesiveSub-Group–Well-connectedgroup;clique;cluster•KeyMetrics–Centrality(grouporindividualmeasure)•Numberofdirectconnectionsthatindividualshavewithothersinthegroup(usuallylookatincomingconnectionsonly)•Measureattheindividualnodeorgrouplevel–Cohesion(groupmeasure)•Easewithwhichanetworkcanconnect•Aggregatemeasureofshortestpathbetweeneachnodepairatnetworklevelreflectsaveragedistance–Density(groupmeasure)•Robustnessofthenetwork•Numberofconnectionsthatexistinthegroupoutof100%possible–Betweenness(individualmeasure)•#shortestpathsbetweeneachnodepairthatanodeison•Measureattheindividualnodelevel•Noderoles–Peripheral–belowaveragecentrality–Centralconnector–aboveaveragecentrality–Broker–aboveaveragebetweennessEDFACBHGICDEABDELocation,Location,LocationNetworkofconnectionsamong“MWA2010”mentioningTwitterusersPosition,Position,PositionMost“between”peopleintheNetworkofconnectionsamong“MWA2010”Twitterusers“ThinkLink”Nodes&EdgesIsrelatedtoABInandOutDegreeWorldWideWebEachcontainsoneormoresocialnetworksCollectionsofConnectionsCentralities•Degree•Closeness•Betweenness•Eigenvector•History:fromthedawnoftime!•Theoryandmethod:1934-•JacobL.Moreno••Centraltenet–Socialstructureemergesfrom–theaggregateofrelationships(ties)–amongmembersofapopulation•Phenomenaofinterest–Emergenceofcliquesandclusters–frompatternsofrelationships–Centrality(core),periphery(isolates),–betweenness•Methods–Surveys,interviews,observations,logfileanalysis,computationalanalysisofmatrices(Hampton&Wellman,1999;Paolillo,2001;Wellman,2001)Source:Richards,W.(1986).TheNEGOPYnetworkanalysisprogram.Burnaby,BC:DepartmentofCommunication,SimonFraserUniversity.pp.7-16SocialNetworkTheory(2).Expertsand“AnswerPeople”Discussionstarters,TopicsettersDiscussionpeople,TopicsettersFriends,foes,andfringe:normsandstructureinpoliticaldiscussionnetworks.Proceedingsofthe2006InternationalConferenceonDigitalGovernmentResearch.JohnKelly,DanyelFisher,andMarcSmith.IntroductiontoNodeXLNodeXL:NetworkOverview,DiscoveryandExplorationforExcelLeveragespreadsheetforstorageofedgeandvertexdata://smrfoundation.orgNowAvailableCommunitiesinCyberspaceImportfrommultiplesocialmedianetworksources=0M3T65Iw3AcNodeXLVideoNodeXLFree/OpenSocialNetworkAnalysisadd-inforExcel2007makesgraphtheoryaseasyasabarchart,integratedanalysisofsocialmediasources.“Pigspotter”–September28,2010Twitter“Malema”–September28,2010Twitter“Palin”–September28,2010TwitterVodacom–September29,2010TwitterWorldcup–September24,2010Twitter#TCOT–September24,20102010-April-21-NodeXL-Twitter-teapartyfollowersscaled2010-May-7-NodeXL-twitterglobalwarming2010-May-7-NodeXL-twitterclimatechangeBernieHoganisaResearchFellowattheOxfordInternetInstituteattheUniversityofOxford.Bernie'sworkfocusesontheprocessofnetworking,ormaintainingconnectionswithotherpeople.HisdissertationfocusedontheuseofmultiplemediafornetworkingwhilehiscurrentresearchonFacebooklooksatthecomplexitiesofnetworkingwithmultiplegroupsonasinglesite.Facebook“ego”networksScottGolder(@redlog)isagraduatestudentinSociologyatCornellUniversity.HewaspreviouslyaresearcheratHPLabs,andholdsanA.B.inLinguisticswithComputerSciencefromHarvardUniversityandanM.S.inMediaArtsandSciencesfromtheMITMediaLaboratory.Hisresearchinterestsbroadlyincludenetworkandsocialidentityeffectsonline,whichhehasexaminedinavarietyofenvironmentsincludingusenet,onlinepoker,socialbookmarkingandsocialnetworkservices.Hiswebsiteis(@vlad43210)isagraduatestudentinInformationScienceatCornellUniversity.HeholdsaBAinCognitiveSciencefromYaleUniversity.Hisresearchinterestsincludesocialmedia,onlinecommunitiesanddiffusion,andhisthesi